Synthesis and chromatographic properties of new polymer-based anion exchangers

被引：3
|
作者：
Zatirakha A.V. [1 ]
Smolenkov A.D. [1 ]
Shpigun O.A. [1 ]
机构：
[1] Division of Analytical Chemistry, Department of Chemistry, Moscow State University, Moscow
来源：
Moscow University Chemistry Bulletin | 2011年 / 66卷 / 3期
关键词：
anion exchangers; ion chromatography; reductive amination;
D O I：
10.3103/S0027131411030138
中图分类号：
学科分类号：
摘要：
New anion exchangers with the trimethylammonium functional group were prepared as a result of three-step synthesis involving the acylation of styrene-divinylbenzene copolymer with 25% cross-linking, the reductive amination of carbonyl groups, and subsequent methylation. Two methods of reductive amination were studied, and optimal conditions for this process were chosen. Chromatographic properties of the adsorbents were examined in a mode of ion chromatography with suppressed background conductivity and conductometric detection. The obtained anion exchangers demonstrated good selectivity, and the maximum efficiency was 30000 TP/m. © 2011 Allerton Press, Inc.
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收藏
页码：161 / 165
页数：4
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